Base | Representation |
---|---|
bin | 11011100010101… |
… | …00100100111100 |
3 | 121002201200220021 |
4 | 31301110210330 |
5 | 433121030043 |
6 | 34531501524 |
7 | 5503515013 |
oct | 1561244474 |
9 | 532650807 |
10 | 231033148 |
11 | 109459695 |
12 | 654578a4 |
13 | 38b31608 |
14 | 2297da7a |
15 | 154393ed |
hex | dc5493c |
231033148 has 24 divisors (see below), whose sum is σ = 417765600. Its totient is φ = 111733440.
The previous prime is 231033119. The next prime is 231033149. The reversal of 231033148 is 841330132.
231033148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231033149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7378 + ... + 22726.
It is an arithmetic number, because the mean of its divisors is an integer number (17406900).
Almost surely, 2231033148 is an apocalyptic number.
It is an amenable number.
231033148 is a deficient number, since it is larger than the sum of its proper divisors (186732452).
231033148 is a wasteful number, since it uses less digits than its factorization.
231033148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15477 (or 15475 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 231033148 is about 15199.7746035920. The cubic root of 231033148 is about 613.6085916603.
The spelling of 231033148 in words is "two hundred thirty-one million, thirty-three thousand, one hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •